Together, ________, ________, and ________ provide more than 81 percent of the energy consumed in the United States.
A) uranium; hydroelectricity; coal
B) coal; nuclear power; wind energy
C) natural gas; wind power; biofuel
D) oil; coal; natural gas
Question 2
Which of the following fossils fuels is the cleanest for the environment in the sense that it is most likely to have the lowest sulfur content and the smallest volume of solid ash residue?
A) Natural gas
B) Anthracite coal
C) Heavy, asphalitic crude oil
D) Lignite
Energy coupling in mechanical and chemical processes
Energy pathways
Energy Transfer Processes: Free Convection
Renewable Energy Efforts
Locations of key energy meridians and acupoints for the back, shoulder, arm, neck, head, and face.
Absorption spectra and light energy